| original |
Ludlovian |
Early Gedinnian |
Spain |
Cramer,F.H. Palynomorphs from the Siluro-Devonian boundary in northwest Spain |
1966 |
| details |
Late Ludlovian |
|
Spain |
Cramer,F.H. Palynology of Silurian and Devonian rocks in northwest Spain. |
1966 |
| details |
Middle Gothlandian |
Late Gothlandian |
Spain |
Cramer,F.H. et al. Taxonomic considerations on the acritarchs of the Middle and Upper Silurian of northern Spain. |
1968 |
| details |
Late Llandoverian |
Early Gedinnian |
Spain |
Cramer,F.H. Consideration on the palynology and Silurian paleolatitudes based on microplankton of the Cantabrian Mountains of the Northwest of Spain. |
1969 |
| details |
Emsian |
|
Romania |
Beju,D. Zoning and correlation of the Paleozoic of the Moesian Platform on the basis of palynoprotistological assemblages.1. |
1972 |
| details |
Pridolian |
Lochkovian |
France(Finistere) |
Deunff,J. et al. On the presence of a rich Silurian-Devonian microplankton acritarchs spores and chitinozoans at the top of the shales and quartzites of Plougastel, Brest-Finistere Basin. |
1976 |
| details |
Early Siegenian |
|
France(Finistere) |
Moreau-Benoit,A. Spores and plant Debris. |
1980 |
| details |
Late Siegenian |
|
France(Finistere) |
Moreau-Benoit,A. The spores and plant debris. (In: The Shists and Limestones of Armorica. Y.Plusquellec, editor) |
1980 |